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202144313 = 771406729
BaseRepresentation
bin11000000110001…
…11101000111001
3112002100222212102
430003013220321
5403222104223
632020353145
75003125010
oct1403075071
9462328772
10202144313
11a4118018
12578457b5
1332b58327
141cbbda77
1512b2e928
hexc0c7a39

202144313 has 8 divisors (see below), whose sum is σ = 234276480. Its totient is φ = 170825760.

The previous prime is 202144303. The next prime is 202144337. The reversal of 202144313 is 313441202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202144313 - 226 = 135035449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202144303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202868 + ... + 203861.

It is an arithmetic number, because the mean of its divisors is an integer number (29284560).

Almost surely, 2202144313 is an apocalyptic number.

It is an amenable number.

202144313 is a deficient number, since it is larger than the sum of its proper divisors (32132167).

202144313 is an equidigital number, since it uses as much as digits as its factorization.

202144313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406807.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 202144313 is about 14217.7464107361. The cubic root of 202144313 is about 586.8861255326.

Adding to 202144313 its reverse (313441202), we get a palindrome (515585515).

The spelling of 202144313 in words is "two hundred two million, one hundred forty-four thousand, three hundred thirteen".

Divisors: 1 7 71 497 406729 2847103 28877759 202144313